Earl Holland Tyndall Jr. was born on November 2, 1922, in Lenoir County, N.C., to Earl H. and Smithy May Tyndall. His father operated the E.H. Tyndall Livestock Company in Kinston, N.C. Earl Tyndall Jr. attended the University of North Carolina at Chapel Hill, and was a junior in 1942, working summers for his father at the family's livestock company.
Earl Tyndall Jr. entered a student miltiary reserves program on September 1, 1942, while attending UNC. Tyndall Jr. went into active service in the U.S. Army during World War II on December 15, 1942. He was assigned to Company F, 501st Parachute Infantry Regiment, 101st Airborne Division. Tyndall Jr. was involved in the D-Day invasion of Europe at Normandy in June 1944. He served until November 18, 1945, reaching the ranks of Staff Sergeant and Major during his military career.
After the war, Earl Tyndall Jr. married Miriam McCormic on December 21, 1946, in Robeson County, N.C. By 1949, the Tyndalls were living in Raleigh, N.C., and Earl was working as a research specialist for the North Carolina State Highway and Public Works Commission. By 1954, Early Tyndall Jr. was working as a salesman for the Colgate-Palmolive-Peet Company (modern-day Colgate-Palmolive) in Raleigh. By 1957, he was working as a collector for the North Carolina Memorial Hospital in Chapel Hill, N.C. Earl H. Tyndall Jr. died on August 22, 2002, while living in Clemmons, N.C., and was buried in Westlawn Gardens of Memory in the same town.